Wilo Wilo-Control SC-Fire Electric A2P User manual

Wilo-Control SC-Fire Electric A2P
Pioneering for You
4 206 383-Ed.01/ 2017-01-Wilo
en Installation and operating instructions

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WILO SE 01/2017 2
Fig. 1

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Installation and operating instructions Wilo-SC-Fire Electric A2P 3
Fig. 1

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WILO SE 01/2017 4
Fig. 2

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Installation and operating instructions Wilo-SC-Fire Electric A2P 5
1 General
About this document
The language of the original installation and operating instructions is German. All other languages of these
instructions are translations of the original installation and operating instructions.
The installation and operating instructions are an integral part of the product. They must be kept close to the
product and be ready for use if necessary. Strict adherence to these instructions is a precondition for the
proper use and correct operation of the product.
These installation and operating instructions correspond to the relevant version of the product and the
underlying safety standards valid at the time of going to print.
EC declaration of conformity:
A copy of the EC declaration of conformity is a key component of these installation and operating instructions.
If a technical modification is made on the designs listed therein without prior approval or the declarations made
in the installation and operating instructions on product/personnel safety are not observed, this declaration
loses its validity.
2 Safety
These installation and operating instructions contain important information which must be adhered to during
installation, operation and maintenance. For this reason, these instructions must, without fail, be read by the
service technician and the responsible specialist/operator before installation and commissioning.
It is not only the general safety instructions listed under the main point “safety” that must be adhered to but also
the special safety instructions with danger symbols included under the following main points.
2.1 Symbols and signal words used in the installation and operating instructions
Symbols:
General danger symbol
Danger due to electrical voltage
HELPFUL NOTE
Signal words:
DANGER!
Acutely dangerous situation.
Non-observance results in death or the most serious of injuries.
WARNING!
The user may suffer (serious) injuries. “Warning” implies that (serious) injury to persons is
probable if this information is disregarded.
CAUTION!
There is a risk of damaging the pump/system. “Caution” implies that damage to the product is
likely if this information is disregarded.

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WILO SE 01/2017 6
NOTE:
Useful information on handling the product. It draws attention to possible problems.
2.2 Personnel qualifications
The installation, operating and maintenance personnel must have the appropriate qualifications for this work.
Area of responsibility, terms of reference and monitoring of the personnel are to be ensured by the operator.
If the personnel are not in possession of the necessary knowledge, they are to be trained and instructed.
This can be accomplished if necessary by the manufacturer of the product at the request of the operator.
2.3 Danger in the event of non-observance of the safety instructions
Non-observance of the safety instructions can result in risk of injury to persons and damage to the
environment and the product/unit. It also results in the loss of any claims to damages.
In detail, non-observance can, for example, result in the following risks:
•Danger to persons due to electrical, mechanical and bacteriological influences.
•Damage to the environment due to leakage of hazardous materials.
•Property damage.
•Failure of important product/unit functions.
•Failure of required maintenance and repair procedures.
2.4 Safety instructions for the operator
This device is not intended for use by persons (including children) with reduced physical, sensory or mental
capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction
concerning use of the appliance by a person responsible for their safety.
Children should be supervised to ensure that they do not play with the device.
•If the product/unit poses a threat due to components being too hot or too cold, these components must
be protected by the customer against touching.
•Guards which protect personnel from coming into contact with moving components (e.g. the coupling)
must not be removed while the product is in operation.
•Hazardous fluids (e.g. from the shaft seals) which have leaked (which are explosive, toxic or hot) must
be eliminated so that no danger to persons or to the environment arises. National statutory provisions
are to be complied with.
•Highly flammable materials are always to be kept at a safe distance from the product.
•Danger from electrical current must be eliminated. Local directives or general directives
[e.g. IEC, VDE etc.] and instructions from energy supply companies must be adhered to.
2.5 Safety instructions for installation and inspection work
The operator must ensure that all maintenance and installation work is carried out by authorised and qualified
personnel, who are sufficiently informed based on their own detailed study of the installation and operating
instructions.
Work on the product/unit must only be carried out when at a standstill. It is mandatory that the procedure
described in the installation and operating instructions for shutting down the product/unit be complied with.
Immediately on conclusion of the work, all safety and protective devices must be put back in position and/or
recommissioned.

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Installation and operating instructions Wilo-SC-Fire Electric A2P 7
2.6 Unauthorised modification and manufacture of spare parts
Unauthorised modification and manufacture of spare parts will impair the safety of the product/personnel and
will make void the manufacturer's declarations regarding safety.
Product modifications are exclusively authorised following the agreement of the manufacturer. Original spare
parts and accessories authorised by the manufacturer ensure safety. The use of other parts will absolve the
company of liability.
2.7 Improper use
The operating safety of the supplied product is only guaranteed for conventional use in accordance with
Section 4 of the installation and operating instructions. The limit values must on no account fall under or
exceed those values specified in the catalogue/data sheet.
3 Transport and interim storage
Upon receipt of the product:
•Check for any damage that may have occurred during transit.
•In the event of damage in transit take the necessary steps within the period defined by the transport
company within the time constraints.
CAUTION! Risk of property damage!
Non-compliant transport and interim storage may cause material damage to the
product.
•The switchgear must be protected against humidity and any mechanical damage.
•The product must not be exposed to temperatures lower than -10 °C and higher
than +50 °C.

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WILO SE 01/2017 8
4 Applications (application)
The switchgear SC Fire A2P controls a single electric pump in automatic sprinkler systems in accordance with
APSAD (T1-2).
The relevant fields of application are habitable buildings, offices, hospitals, hotels, administrative and
industrial buildings.
The pump is switched according to the pressure or level when it is used with the right signal sensors.
Compliance with this manual is also part of correct use.
Any use which does not meet this criteria is considered to be non-compliant.
5 Product information
5.1 Type key
Example:
W-CTRL-SC-F-1x(2)A-T4-(3)-(4)-ND-E
W Multiple choice Brand:
W: Wilo
CTRL
Fixed
Operation
SC
Fixed
Smart Control = control unit
F
Fixed
F = application of protection against fire
1x
Fixed
Number of pumps
(2) Multiple choice
Maximum rated current of the motor [A]:
14.1A
20.4A
27.6A
33.7A
39.1A
53.6A
65.8A
78.0A
95.0A
129.0A
T4
Fixed
T = three-phase ; 4 = 400 V
(3) Multiple choice On state:
DOL: Direct online (direct starting)
SD: Star Delta (start star-delta)
(4) Multiple choice Type of installation of switchbox:
FM: Frame mounted (placed on a baseplate)
BM: Base mounted (mounted on feet)
ND
Fixed
Switchgear type “New Design”
E
Fixed
Switchgear for electric pump
Table 1 – Type key

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Installation and operating instructions Wilo-SC-Fire Electric A2P 9
5.2 Technical data
Technical data
Mains connection voltage [V]:
3~ 400 V (L1, L2, L3, PE)
Frequency [Hz]:
50/60 Hz
Control voltage [V]:
230 VAC ; 24 VAC/DC
Absorbed current max [A]:
See the rating plate
Protection class:
IP44
Fuse protection max on mains side [A]:
See circuit diagram
Room temperature [°C]:
0 °C to +50 °C
Electrical safety:
Pollution degree II
Alarm/signal contact:
250 VAC, 1 A
Table 2 – Technical data
5.3 Scope of delivery
•Switchgear
•Circuit diagram
•Installation and operating instructions
•Check log in accordance with EN 60204-1
5.4 Accessories
6 Description and function
6.1 Product description
6.1.1 Function description
The switchgear is used to control a single electric pump in “sprinkler systems” in accordance with APSAD (T1-2).
In automatic mode the pump is switched on according to the unit pressure. Each pump has 2 pressure switches
at its pressure connection to monitor the pressure. Each pressure switch is controlled by a key switch.
When the pump is started, it can only be switched off manually and only when the pressure has been reached in
the unit.
In manual mode the start of the pump is activated from the HMI.
The start-up of the pump is done by means of a start-up tank, the filling of which is controlled by a float switch.
States of system operation such as availability, pump operation, malfunctions, etc. are visually indicated by
LEDs on the front of the switchbox and equally by a buzzer. Operating parameters such as current or voltage
values are displayed on the screen. The operation is performed by means of the rotary knob, key switches and
buttons accessible on the front of the switchbox.
Potential-free contacts are available for transmitting the collective run or malfunction signals to a possible
BMS (building management system).

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6.1.2 Structure of the switchgear (Fig. 1)
The installation of components in the switchbox depends on the performance of the pump connected.
The switchgear includes the following main components:
•Main on/off switch: Power supply of the switchgear (pos. 7)
•Human-machine interface (HMI): signal lamps or screen for displaying the state of operation (for example
availability, malfunction and rated current of the pump), user test of the pump and function allowing error
messages to be acknowledged (pos. 1, 2, 3)
•Key switch: selection of operating mode (manual, deactivation, automatic) of the pressure switches
(pos. 4, 5)
•Change-over switch (pos. 14): access to level 2
•Buzzer signal: additional buzzer for certain error messages (pos. 6)
•“SC controller” PCB: printed circuit board with microcontroller (pos. 9)
Warning: There are 2 “SC controller” PCBs, fixed with spacer sleeves to superimpose them.
•“SC U/I” PCB: Measurement/acquisition voltage/current (pos. 10)
•Current converter: pump current measurement (pos. 11)
•Fuse protection: protection of the pump motor (pos. 12)
•Contactor: Contactor of the motor of the pump (pos. 13)
•“SC Display” PCB: printed circuit board with display and rotary button (pos. 14)
•“SC I/O” PCB: printed circuit board with control/operating console (pos. 15)
•Key box: enables the storage of the keys from the key switches (pos. 8)
6.2 Function and operation
DANGER! Risk of death!
When working on an open switchgear, there is a risk of electrocution in the event of
contact with active conductors.
This work must only be carried out by qualified personnel!
After connecting the switchgear to the connection voltage as well as after each network cut-off, the
switchgear reverts to the operating mode set before the voltage cut-off.
6.2.1 Switchgear operating modes of the start/deactivation
After connection to the power supply, the switchgear can be switched on or off using the main switch.
Once the main switch has been activated, the system is instantly ready for operation. After several seconds,
the green signal lamp (Fig. 2, pos. 1) lights up.

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Installation and operating instructions Wilo-SC-Fire Electric A2P 11
Operating mode
You can define the operating mode of the switchgear by selecting one of the three positions of the key
switch “Auto”, “0” or “Manual”.
Starting the
motor with...
Key switch 1
AUTO
OFF
MANUAL
Key
switch 2
AUTO Pressure switch 1
Pressure switch 2
Float switch
Pressure switch 2
Float switch
“ON” button
Pressure switch 2
Float switch
OFF Pressure switch 1
Float switch
- “ON” button
MANUAL Pressure switch 1
“ON” button
Float switch
“ON” button “ON” button
Table 3: Operating modes
Automatic mode
The key switch (Fig. 1, pos. 4, 5) is placed in the “Auto” position, the “Auto” position is thus confirmed by the
corresponding green LEDs (Fig. 2, pos. 15, 16).
The unit starts up automatically once the pressure switch no. 1 opens and the key switch no. 1 is in the “Auto”
position or once the pressure switch no. 2 activates and the key switch no. 2 is in the “Auto” position.
Any open pressure switch is signalled by a green LED for pressure switch 1 or a yellow LED for the pressure
switch 2 (Fig. 2, pos. 19, 20). Triggering of the float switch (low level of start-up tank) starts the pump if at least
one of the 2 key switches is in the “Auto” position.
Non-automatic mode
This mode is activated when the key switches are not in the “Auto” position.
This operating mode is signalled by the red LEDs (Fig. 2, pos. 17, 18).
Furthermore, the output “NON-AUTO MODE 1/2” is activated.
Manual mode
To perform a manual start-up, place one of the key switches in the “Man” position. The manual start button “ON”
(Fig. 2, pos. 8) enables start-up of the pump.
Deactivation mode
To switch off the pump, at least one of the key switches must be in the “0” position.
As soon as the pressure switch or the float switch is no longer activated, the pump can be switched off by
means of the “OFF” button (Fig. 2, pos. 12).
Pump start-up
In auto mode, if the pressure measured by at least one of the two pressure switches is below the switch-on
threshold, the LED/LEDs (“active” Fig. 2, pos. 19 and pos. 20) turn/s on green for pressure switch 1 or yellow
for pressure switch 2. Once the follow-up time has elapsed (see menu 1.2.5.1) the pump starts.
Note: If the follow-up time (menu 1.2.5.1) is quite long, it is possible to see the LED flashing while the follow-up
time elapses.
The LED (“on” Fig. 2, pos. 13) turns on green and signals the operation of the pump. Throughout pump
operation, the instantaneous current of the pump is monitored and displayed on the screen. When a malfunction
arises, and even if the pump continues to function, the error code of the malfunction is displayed for
30 seconds.

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WILO SE 01/2017 12
Once the set pressure is reached or exceeded it is possible to switch off the LED/LEDs (“active” Fig. 2,
pos. 19 and pos. 20) previously turned on by pressing the malfunction acknowledgement. The pump is
still running and must be switched off manually.
Start-up tank
If the level of water in the start-up tank of the pump is less than 2/3 of the full level, the float switch closes and the
red indicator light is activated (Fig. 2, pos. 6). Following a configurable follow-up time (see menu 1.2.5.2) the
pump switches on and the green indicator light (Fig. 2, pos. 13) is activated.
Note: As the follow-up time expires, the indicator light flashes
As soon as the tank is full, the float switch opens and the error message can be acknowledged. The indicator light
turns off (Fig. 2, pos. 6) and the pump can be switched off manually. The audible warning (Fig. 2, pos. 13)
deactivates also.
Control of the voltage
To increase operational safety, the power supply voltage of the switchbox is subject to permanent control.
The power supply voltage is configured in the menu 1.2.1.1 (400 V by default), the 3 phases are controlled.
When the pump is on standby, the 3 phase-to-phase voltages are displayed one after another.
As soon as the power supply voltage is lower or higher than the defined tolerance level (see menus 5.4.1.0
and 5.4.2.0), an error code is displayed after a certain time lag (see menu 1.2.5.3).
When the pump is in operation, and in case of a malfunction, the pump continues to function.
Protection against excess currents
During pump functioning, the current is subject to permanent monitoring.
The rated current motor is configurable in the menu 1.2.1.2.
The current is monitored over the three phases. When the pump is functioning, the current is indicated on the
screen. The green indicator light (“on” Fig. 2, pos. 13) turns on as soon as the current of the pump reaches a
predefined minimum level (see menu 5.4.3.0).
As soon as the current of the pump exceeds the maximum threshold (see menu 5.4.4.0), the red indicator light
(“malfunction” see menu 1.2.5.5) (Fig. 2, pos. 14) turns on.
Despite the presence of an error, this does not prevent the pump from starting or continuing to function. As soon
as the current level of the pump returns to within the range of the levels permitted, you can acknowledge the
error. And the indicator light (Fig. 2, pos. 14) deactivates.
Monitoring of the “pump in demand”
As soon as the pump switches on, a pressure switch located at the pressure connection monitors whether the
pressure at the pump outlet is correct.
After a certain predefined time (see menu 1.2.2.2), if the pressure at the pump outlet is not reached, the red
indicator light turns on (“pump in demand” Fig. 2, pos. 3).
When the pressure exceeds the configured threshold, the error message can be acknowledged and the indicator
light will change to green (Fig. 2, pos. 3).
Monitoring of failed start-up
When the pump is in operation, and after a certain predefined time in the menu 1.2.2.1, the electrical power
consumption is monitored.
The power is monitored against the following parameterisation: 1.2.1.1 and 1.2.1.2.
During the monitoring period, and after a certain configured lag time (see menu 1.2.5.6), if the minimum value has
not been reached (see menu 5.4.5.0), the indicator light will turn yellow (Fig. 2, pos. 2).
When the power consumed is reached again, the error message can be acknowledged. And the indicator light will
change from yellow to green (Fig. 2, pos. 2).

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Installation and operating instructions Wilo-SC-Fire Electric A2P 13
6.2.2 Application of the switchgear
Operation elements
Levels of access
•The level of access 1 allows access to the function test of the lamp (Fig. 2, pos. 2) without intervention in
addition.
•The level of access 2 is performed using a key switch (Fig. 1, pos. 7) and enables access to the reset
function in the event of error messages (Fig. 2, pos. 4).
•The level of access 3 is performed using a ciphered code encoded in the menu 7.0.0.0, enabling access to all
menu items.
Functions and application elements
•Main switch On/Off (lockable in “Off” position) (Fig. 1, pos. 7)
•LCD screen (Fig. 1, pos. 2) The LCD screen displays the pump operating status and the settings menu.
Thanks to the control button (Fig. 1, pos. 3) you can select the menus and enter the parameters (level 3
access required). To alter the values and scroll through the menu levels, turn the function. To select and
confirm your input, press the button:
Pos.
Description
1
Menu number
2
Value display
3
Unit display
4
Standard symbols
5
Graphic symbols

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WILO SE 01/2017 14
The following graphic symbols are used:
Symbol
Function/description
Brief press: Return to the previous menu
Long press: Return to the main screen
EXPERT menu
1.Notification: service not connected
2.Notification: display value – no entry possible
Unlocked
Service menu
Parameters
Information
Malfunction
Reset malfunction

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Installation and operating instructions Wilo-SC-Fire Electric A2P 15
Alarm settings
Pump
Setpoint
Actual value
Sensor signal
Measurement range sensor
Follow-up time
Operating mode/application
Stand-by
Operational data
Switchgear data:
Controller type; ID number; software/firmware
Operating hours
Pump operating hours
Switchgear operating test runs
Pump operating test runs
Communication
Output parameters
SSM parameters

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WILO SE 01/2017 16
Sprinkler (pressure switch)
Pump filling tank (float switch)
Activation failed
Pressure
Power supply (mains)
Voltmeter
Ammeter
Cut-in star-delta
Malfunction signal freely configurable
Malfunction input

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Installation and operating instructions Wilo-SC-Fire Electric A2P 17
Duration
Power indicator
Communication parameters
Modbus
BACnet
Factory setting
Reset to the factory setting
Alarm counter
Maintenance interval
Reset

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WILO SE 01/2017 18
Menu structure:
The menu structure of the control system is organised into 4 levels.
Navigation in the individual menus as well as the parameter input are described in the example
below – selection of transformers (level 3 required):

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Installation and operating instructions Wilo-SC-Fire Electric A2P 19
Refer to the following table for a description of the individual menu items.
No.
menu/ 1.1.1.1 Screen 1.1.2 Description Parameter range
Factory setting
Menu accessible from the level of access 1
The main screen indicates the status of the unit.
The display constantly switches from one voltage
to another (alternating between L1-L2, L1-L3 and
L2-L3).
When the pump is in operation, the
instantaneous current on the three phases
and the voltages are displayed in turns on
the screen.
“Services” menu
To access level 3 an access code must be entered.
After 5 minutes of inactivity on HMI or after a main
supply malfunction, access is blocked and the code
must be re-entered.
0…9999
“Malfunctions” menu

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WILO SE 01/2017 20
6.1.0.1
to
6.1.1.6
History memory of malfunctions from 1 to 16
Note:
The history memory of malfunctions and the
error
counter can be reset via menu
7.5.9.9, accessible
on level 3.
Menu accessible from the level of access 3
Menu unlocked after entering the access
code.
The remaining time [in seconds] before
deactivation of the level of access 3 in
case of inactivity on the HMI is also
indicated on the main screen.
The EXPERT menu contains other settings
which enable a detailed configuration of the
switchgear.
Access to the parameter menu
enabling modification of the system
operation
Access to the settings menu of the
electrical parameters of the pump